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Counting the base units

Exercise and reference answers

Questions
  1. Question
    SI base units number
    Choices
    1. seven
    2. six
    3. eight
    Correct choice
    seven
  2. Question
    Which of these is NOT a base quantity?
    Choices
    1. Mass
    2. Force
    3. Time
    Correct choice
    Force
  3. Question
    Derived units are made from
    Choices
    1. other derived units only
    2. nothing
    3. base units
    Correct choice
    base units

Explanation

Seven, no more. Source: syllabus Physics, Ch 1 Units and Measurement.
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